Presidio of San Francisco

The Presidio of San Francisco is a park and former military fort in northern San Francisco, California. It was fortified by the Spanish Army on 17 September 1776, and it passed to Mexico and the United States following Mexico's independence and the Mexican-American War, respectively. The US Army used the Presidio as a military fort until 1989, and it was transferred to the National Park Service in 1994, being converted into an area of mixed commercial and public use. In 2015, it had a population of 799 people.